From: "Bart Schaefer" <schaefer@candle.brasslantern.com>
To: zsh users mailing list <zsh-users@sunsite.auc.dk>
Subject: Re: non-greedy matching?
Date: Wed, 21 Mar 2001 16:01:16 +0000 [thread overview]
Message-ID: <1010321160116.ZM17613@candle.brasslantern.com> (raw)
In-Reply-To: <20010321151448.4320.qmail@web9301.mail.yahoo.com>
On Mar 21, 2:23pm, Adam Spiers wrote:
} Subject: non-greedy matching?
}
} ..... | perl -pe 's/%{.*?%}//g'
}
} They are done in order to strip control characters from a prompt so
} that its display width can be determined.
I had to do something similar in prompt_bart_setup, and ended up with
this:
${#${(%%f)${PS1//[%]\{[^%]#%\}/}}[1]}
The (f) and [1] are because of the multi-line PS1, where it computes the
length only of the first line. The above works as long as you don't
have other prompt escapes inside the %{ %}. Hmm. Perhaps this:
${#${(%%)${prompt_line_1a//[%]\{([^%]|%[^\}])#%\}/}}}
Looking at prompt_adam2_precmd, it does exactly what prompt_bart_precmd
does: compute a padding width by subtracting from $COLUMNS. With the
above expression you can get rid of prompt_line_1[ab]_no_color entirely:
prompt_padding_size=$(( COLUMNS
- ${#${(%%)${prompt_line_1a//[%]\{([^%]|%[^\}])#%\}/}}}
- ${#${(%%)${prompt_line_1b//[%]\{([^%]|%[^\}])#%\}/}}} ))
Which also, as Sven mentioned, gets rid of $(print -P ...).
--
Bart Schaefer Brass Lantern Enterprises
http://www.well.com/user/barts http://www.brasslantern.com
Zsh: http://www.zsh.org | PHPerl Project: http://phperl.sourceforge.net
next prev parent reply other threads:[~2001-03-21 16:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-21 14:23 Adam Spiers
2001-03-21 15:14 ` Oliver Kiddle
2001-03-21 16:01 ` Bart Schaefer [this message]
2001-03-21 15:47 ` Oliver Kiddle
2001-03-21 14:57 Sven Wischnowsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1010321160116.ZM17613@candle.brasslantern.com \
--to=schaefer@candle.brasslantern.com \
--cc=zsh-users@sunsite.auc.dk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/zsh/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).